Api AI agents
16 agents in the api category, ranked by editorial priority.
AssemblyAI
Speech-to-text API and audio intelligence platform with LLM-powered analysis via LeMUR
Deepgram
Speech-to-text API and voice agent platform built for real-time low-latency applications
Retell AI
Low-latency voice agent platform with emotion-adaptive dialogue for sales and support
Vapi
Developer-focused voice AI platform for building production-grade voice agents via API
Mubert
AI music generation API and royalty-free streaming for apps, games, and content platforms
Anthropic Computer Use
Claude's computer-use capability that powers desktop and browser agents
Fal.ai
Serverless AI inference platform for image, video, and audio models with sub-second cold starts
LangSmith
LLM observability, testing, and evaluation platform from the LangChain team
Langfuse
Open-source LLM observability with full self-hosting and production-ready tracing
Modal Labs
Serverless cloud compute for AI inference, training, and agent workloads
Fixie AI
Developer platform for building voice AI agents that handle inbound and outbound phone calls
Helicone
LLM observability and cost monitoring for production AI applications
Portkey
AI gateway and observability platform: route, monitor, and control LLM API calls
Remove.bg
The original AI background removal tool, now part of Canva and still the API standard
E2B
Secure cloud sandboxes for running AI-generated code safely in any language
Exa AI
Neural search API for AI agents that understands meaning, not just keywords